WO2010087394A1 - Alcohol compound having dioxane structure and process for producing same - Google Patents
Alcohol compound having dioxane structure and process for producing same Download PDFInfo
- Publication number
- WO2010087394A1 WO2010087394A1 PCT/JP2010/051110 JP2010051110W WO2010087394A1 WO 2010087394 A1 WO2010087394 A1 WO 2010087394A1 JP 2010051110 W JP2010051110 W JP 2010051110W WO 2010087394 A1 WO2010087394 A1 WO 2010087394A1
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- WIPO (PCT)
- Prior art keywords
- group
- alcohol compound
- integer
- general formula
- benzene
- Prior art date
Links
- 0 C*C1OCC(*)(CO)CO1 Chemical compound C*C1OCC(*)(CO)CO1 0.000 description 1
- UNIDEXCMDHSUFS-UHFFFAOYSA-N OCC1COC(c(cc2)ccc2-c2ccccc2)OC1 Chemical compound OCC1COC(c(cc2)ccc2-c2ccccc2)OC1 UNIDEXCMDHSUFS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/04—1,3-Dioxanes; Hydrogenated 1,3-dioxanes
- C07D319/06—1,3-Dioxanes; Hydrogenated 1,3-dioxanes not condensed with other rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/357—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
Definitions
- the present invention relates to an alcohol compound having a dioxane structure and a method for producing the same, and more particularly, a cyclic alcohol compound useful as a raw material and an intermediate such as a paint, an adhesive, a pharmaceutical, cosmetics, food additive and surfactant It relates to a method of producing a compound.
- Alcohol compounds having a dioxane structure are known as intermediates of cyclic acrylic acid esters which are raw materials for paints, adhesives and the like.
- Patent Document 1 discloses a cyclic alcohol compound obtained by the reaction of benzaldehyde and trimethylolpropane as an intermediate of a cyclic acrylic acid ester.
- the cyclic alcohol compound obtained by the reaction of benzaldehyde and trimethylolpropane described in Patent Document 1 may have limited applications in terms of solubility, reactivity, heat resistance, and the like.
- An object of the present invention is to provide cyclic alcohol compounds useful as raw materials and intermediates for paints, adhesives, pharmaceuticals, cosmetics, food additives and surfactants, and to provide methods for producing the compounds.
- the present invention provides an alcohol compound represented by the following general formula (1).
- A represents an aromatic ring selected from the group consisting of benzene, naphthalene, anthracene, phenanthrene and pyrene
- R 1 is an alkyl group having 1 to 12 carbon atoms, substituted or unsubstituted 6 to 10 carbon atoms
- n represents an integer of 0 to 4, provided that when A is benzene, n represents an integer of 1 to 4.
- plural R 1 s may be the same as or different from each other R 2 represents a hydrogen atom, a methyl group or an ethyl group)
- the alcohol compounds of the present invention can be suitably used as raw materials and intermediates for paints, adhesives, pharmaceuticals, cosmetics, food additives, surfactants and the like.
- various kinds of pharmaceuticals, cosmetics, food additives, surfactants and the like can be produced by using the alcohol compound of the present invention as a raw material or an intermediate.
- the alcohol compound of the present invention is a compound represented by the following general formula (1).
- A represents an aromatic ring selected from the group consisting of benzene, naphthalene, anthracene, phenanthrene and pyrene.
- R 1 represents an alkyl group having 1 to 12 carbon atoms, a substituted or unsubstituted aryl group having 6 to 10 carbon atoms, or a halogen atom.
- the alkyl group in the present invention is a linear, branched or cyclic alkyl group having 1 to 12 carbon atoms, preferably 1 to 9 carbon atoms, more preferably 1 to 4 carbon atoms, and specific examples thereof include a methyl group and an ethyl group.
- the aryl group in the present invention is a substituted or unsubstituted aryl group having 6 to 10, preferably 6 to 8 carbon atoms, and specific examples thereof include a phenyl group, an iodophenyl group, a hydroxylphenyl group, a dihydroxyphenyl group, and methoxyhydroxy A phenyl group, ethoxy hydroxyphenyl group etc. are mentioned.
- R 1 is particularly preferably an isopropyl group or a phenyl group.
- n represents an integer of 0 to 4. However, n is an integer of 1 to 4 when A is benzene. When n represents an integer of 2 to 4, the plurality of R 1 s may be the same as or different from each other, but are more preferably the same. n is preferably 0 or 1 from the viewpoint of the availability of the raw material.
- R 2 represents a hydrogen atom, a methyl group or an ethyl group.
- the alcohol compound represented by the general formula (1) is preferably an alcohol compound represented by any one of the following general formulas (2) to (4).
- R 2 has the same meaning as R 2 in the general formula (1), and the preferred range is also the same.
- Preferred specific examples of the alcohol compound represented by the above general formula (1) include 2- (biphenyl-4-yl) -5-ethyl-5-hydroxymethyl-1,3-dioxane, 2- (biphenyl-4) -Yl) -5-methyl-5-hydroxymethyl-1,3-dioxane, 2- (biphenyl-4-yl) -5-hydroxymethyl-1,3-dioxane, 2- (isopropylphenyl-4-yl) -5-ethyl-5-hydroxymethyl-1,3-dioxane, 2- (1-naphthyl) -5-ethyl-5-hydroxymethyl-1,3-dioxane etc., but the present invention is not limited thereto. I will not.
- the manufacturing method of the alcohol compound represented by said General formula (1) is not specifically limited, To 1 mol of aromatic aldehydes represented by the following general formula (A), trimethylol methane, trimethylol ethane, or trimethylol propane is mentioned. And the like are preferably produced by reacting 1 to 5 moles, preferably 1 to 2 moles, more preferably 1 to 1.2 moles of a trihydric alcohol such as By using a trihydric alcohol in the above range, the formation of by-products can be significantly reduced and the production efficiency is improved.
- a trihydric alcohol in the above range, the formation of by-products can be significantly reduced and the production efficiency is improved.
- the reaction temperature is preferably 20 to 200 ° C., more preferably 100 to 180 ° C., particularly preferably 120 to 160 ° C.
- the above-mentioned aromatic aldehyde be dropped in an organic solvent solution of a trihydric alcohol under acid catalyst to be reacted. This can significantly reduce the formation of by-products and can improve the production efficiency. During the reaction, it is preferable to distill off water in the solvent by means of a Dean-Stark tube or the like.
- an acid catalyst such as hydrochloric acid, sulfuric acid, phosphoric acid, p-toluenesulfonic acid, methanesulfonic acid and the like, and p-toluenesulfonic acid is particularly preferable.
- the amount of acid catalyst used is preferably 0.1 to 30% by mass, particularly preferably 1 to 20% by mass, with respect to the aromatic aldehyde.
- the reaction solvent used in the present invention is not limited, but aromatic hydrocarbon solvents such as benzene, toluene, xylene, mesitylene, anisole; amide solvents such as dimethylformamide, dimethylacetamide; ethers such as tetrahydrofuran, dioxane, dioxolane And ester solvents such as ethyl acetate and butyl acetate.
- aromatic hydrocarbon solvents such as benzene, toluene, xylene, mesitylene, anisole
- amide solvents such as dimethylformamide, dimethylacetamide
- ethers such as tetrahydrofuran, dioxane, dioxolane
- ester solvents such as ethyl acetate and butyl acetate.
- toluene, dimethylformamide and dimethylacetamide are preferred.
- Example 1 [Synthesis of 2- (biphenyl-4-yl) -5-ethyl-5-hydroxymethyl-1,3-dioxane] 2000 ml of dimethyl acetamide (hereinafter referred to as DMAc, special grade: Wako Pure Chemical Industries, Ltd., special grade), 700 ml of toluene (special grade, Wako Pure Chemical Industries, Ltd.), trimethylolpropane (Wako Pure Chemical Industries, Ltd. 8 g (0.74 mol) made of special grade) and 20 g of p-toluenesulfonic acid dihydrate (special grade, manufactured by Wako Pure Chemical Industries, Ltd.) were added and stirred at 100 ° C.
- DMAc dimethyl acetamide
- TMS tetramethylsilane
- the chemical shift value of 1 H-NMR in a solvent of heavy dimethyl sulfoxide (hereinafter referred to as heavy DMSO, manufactured by Wako Pure Chemical Industries, Ltd., special grade) of the obtained product is 0.1. 8-0.9 (t, 3 H), 1.6-1.7 (q, 2 H), 3.4 (s, 2 H), 3.6-3.8 (dd, 4 H), 4.7 ( s, 1 H), 5.5 (s, 1 H), 7.3-7.8 (m, 9 H).
- Example 2 Synthesis of 2- (biphenyl-4-yl) -5-methyl-5-hydroxymethyl-1,3-dioxane
- the synthesis and analysis were carried out in the same manner as in Example 1 except that trimethylolpropane was changed to trimethylolethane.
- the yield was 91%.
- the chemical shifts of 1 H-NMR in a heavy DMSO solvent of the product obtained are 1.0 (s, 3 H), 3.4-3.9 (m, 6 H), It was 4.7 (s, 1 H), 5.9 (s, 1 H), 7.4-7.5 (m, 9 H).
- Example 3 [Synthesis of 2- (biphenyl-4-yl) -5-hydroxymethyl-1,3-dioxane] The synthesis and analysis were carried out in the same manner as in Example 1 except that trimethylolpropane was changed to trimethylolmethane. The yield was 89%.
- the chemical shifts of 1 H-NMR in a heavy DMSO solvent of the product obtained are 1.8 (s, 1 H), 3.4-3.9 (m, 6 H), It was 4.7 (s, 1 H), 5.9 (s, 1 H), 7.4-7.5 (m, 9 H).
- Example 4 Synthesis of 2- (isopropylphenyl-4-yl) -5-ethyl-5-hydroxymethyl-1,3-dioxane
- the synthesis and analysis were carried out in the same manner as in Example 1 except that 4-biphenylaldehyde was changed to cuminaldehyde.
- the yield was 92%.
- the chemical shifts of 1 H-NMR in a heavy DMSO solvent of the obtained product ( ⁇ ppm, based on TMS) are 0.9 (t, 3 H), 1.2 (d, 6 H), 1.7 (1.7 ppm). q, 2H), 2.9 (m, 1 H), 3.4-3.9 (m, 6 H), 4.7 (s, 1 H), 5.9 (s, 1 H), 7.2-7 .4 (dd, 4H).
- Example 5 Synthesis of 2- (1-Naphthyl) -5-ethyl-5-hydroxymethyl-1,3-dioxane
- the synthesis and analysis were carried out in the same manner as in Example 1 except that biphenylaldehyde was changed to naphthylaldehyde.
- the yield was 87%.
- the chemical shifts of 1 H-NMR in a heavy DMSO solvent of the obtained product ( ⁇ ppm, based on TMS) are 0.8-0.9 (t, 3 H), 1.6-1.7 (q) , 2H), 3.4-3.8 (m, 6H), 4.7 (q, 1H), 5.5 (s, 1H), and 7.0-8.2 (m, 7H). .
- the alcohol compounds of the present invention can be suitably used as raw materials and intermediates for paints, adhesives, pharmaceuticals, cosmetics, food additives, surfactants and the like, and have high industrial value.
- the alcohol compound of the present invention can be used as a raw material or an intermediate, and various paints, adhesives, pharmaceuticals, cosmetics, food additives are added. Substances and surfactants can be produced, and the technology can be enriched.
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- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
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Abstract
Description
本発明の課題は、塗料、接着剤、医薬品、化粧品、食品添加物及び界面活性剤等の原料及び中間体として有用な環状アルコール化合物、並びに当該化合物を製造する方法を提供することにある。 The cyclic alcohol compound obtained by the reaction of benzaldehyde and trimethylolpropane described in Patent Document 1 may have limited applications in terms of solubility, reactivity, heat resistance, and the like.
An object of the present invention is to provide cyclic alcohol compounds useful as raw materials and intermediates for paints, adhesives, pharmaceuticals, cosmetics, food additives and surfactants, and to provide methods for producing the compounds.
前記一般式(1)中、R1は、炭素数1~12のアルキル基、置換もしくは無置換の炭素数6~10のアリール基、又はハロゲン原子を表す。
本発明におけるアルキル基は、炭素数1~12、好ましくは炭素数1~9、より好ましくは炭素数1~4の直鎖、分岐又は環状アルキル基であり、具体例としてはメチル基、エチル基、プロピル基、イソプロピル基、ブチル基、イソブチル基、t-ブチル基、シクロヘキシル基、プロピルシクロヘキシル基等が挙げられる。本発明におけるアリール基は、置換もしくは無置換の炭素数6~10、好ましくは6~8のアリール基であり、具体例としてはフェニル基、ヨードフェニル基、ヒドロキシルフェニル基、ジヒドロキシフェニル基、メトキシヒドロキシフェニル基、エトキシヒドロキシフェニル基等が挙げられる。ハロゲン原子としては、フッ素原子、塩素原子、臭素原子、ヨウ素原子等が挙げられる。R1としては、原料の入手性の観点から、特にイソプロピル基、又はフェニル基が好ましい。
前記一般式(1)中、nは0~4の整数を表す。ただし、Aがベンゼンの場合にはnは1~4の整数を表す。nが2~4の整数を表す場合、複数のR1は、互いに同一でも異なっていてもよいが同一であることがより好ましい。nは、原料の入手性の観点から、0又は1であることが好ましい。
前記一般式(1)中、R2は水素原子、メチル基又はエチル基を表す。 In the general formula (1), A represents an aromatic ring selected from the group consisting of benzene, naphthalene, anthracene, phenanthrene and pyrene.
In the general formula (1), R 1 represents an alkyl group having 1 to 12 carbon atoms, a substituted or unsubstituted aryl group having 6 to 10 carbon atoms, or a halogen atom.
The alkyl group in the present invention is a linear, branched or cyclic alkyl group having 1 to 12 carbon atoms, preferably 1 to 9 carbon atoms, more preferably 1 to 4 carbon atoms, and specific examples thereof include a methyl group and an ethyl group. And propyl, isopropyl, butyl, isobutyl, t-butyl, cyclohexyl, propylcyclohexyl and the like. The aryl group in the present invention is a substituted or unsubstituted aryl group having 6 to 10, preferably 6 to 8 carbon atoms, and specific examples thereof include a phenyl group, an iodophenyl group, a hydroxylphenyl group, a dihydroxyphenyl group, and methoxyhydroxy A phenyl group, ethoxy hydroxyphenyl group etc. are mentioned. As a halogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom etc. are mentioned. From the viewpoint of the availability of raw materials, R 1 is particularly preferably an isopropyl group or a phenyl group.
In the general formula (1), n represents an integer of 0 to 4. However, n is an integer of 1 to 4 when A is benzene. When n represents an integer of 2 to 4, the plurality of R 1 s may be the same as or different from each other, but are more preferably the same. n is preferably 0 or 1 from the viewpoint of the availability of the raw material.
In the general formula (1), R 2 represents a hydrogen atom, a methyl group or an ethyl group.
[2-(ビフェニル-4-イル)-5-エチル-5-ヒドロキシメチル-1,3-ジオキサンの合成]
得られた生成物について1H-NMRスペクトルを測定した。測定には、NMR装置(Hitachi社製、商品名:R-90H)を用い、内部標準物質としてテトラメチルシラン(以下、TMSと称する。)を用いた。得られた生成物の重ジメチルスルホキシド(以下、重DMSOと称する、和光純薬工業(株)製、特級)溶媒中での1H-NMRのケミカルシフト値(δppm,TMS基準)は、0.8-0.9(t,3H)、1.6-1.7(q,2H)、3.4(s,2H)、3.6-3.8(dd,4H)、4.7(s,1H)、5.5(s,1H)、7.3-7.8(m,9H)であった。 Example 1
[Synthesis of 2- (biphenyl-4-yl) -5-ethyl-5-hydroxymethyl-1,3-dioxane]
The 1 H-NMR spectrum was measured for the obtained product. For measurement, an NMR apparatus (manufactured by Hitachi, trade name: R-90H) was used, and tetramethylsilane (hereinafter referred to as TMS) was used as an internal standard substance. The chemical shift value of 1 H-NMR in a solvent of heavy dimethyl sulfoxide (hereinafter referred to as heavy DMSO, manufactured by Wako Pure Chemical Industries, Ltd., special grade) of the obtained product is 0.1. 8-0.9 (t, 3 H), 1.6-1.7 (q, 2 H), 3.4 (s, 2 H), 3.6-3.8 (dd, 4 H), 4.7 ( s, 1 H), 5.5 (s, 1 H), 7.3-7.8 (m, 9 H).
[2-(ビフェニル-4-イル)-5-メチル-5-ヒドロキシメチル-1,3-ジオキサンの合成]
Synthesis of 2- (biphenyl-4-yl) -5-methyl-5-hydroxymethyl-1,3-dioxane
[2-(ビフェニル-4-イル)-5-ヒドロキシメチル-1,3-ジオキサンの合成]
[Synthesis of 2- (biphenyl-4-yl) -5-hydroxymethyl-1,3-dioxane]
[2-(イソプロピルフェニル-4-イル)-5-エチル-5-ヒドロキシメチル-1,3-ジオキサンの合成]
Synthesis of 2- (isopropylphenyl-4-yl) -5-ethyl-5-hydroxymethyl-1,3-dioxane
[2-(1-ナフチル)-5-エチル-5-ヒドロキシメチル-1,3-ジオキサンの合成]
Synthesis of 2- (1-Naphthyl) -5-ethyl-5-hydroxymethyl-1,3-dioxane
Claims (5)
- 下記一般式(1)で表されるアルコール化合物。
- 下記一般式(A)で表される芳香族アルデヒド1モルに対し、トリメチロールメタン、トリメチロールエタン及びトリメチロールプロパンからなる群から選ばれる3価アルコールを1~5モルを反応させる、下記一般式(1)で表されるアルコール化合物の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/146,752 US8324407B2 (en) | 2009-01-30 | 2010-01-28 | Alcohol compound having dioxane structure and process for producing same |
JP2010548547A JPWO2010087394A1 (en) | 2009-01-30 | 2010-01-28 | Alcohol compound having dioxane structure and process for producing the same |
CN201080006099.6A CN102300856A (en) | 2009-01-30 | 2010-01-28 | Alcohol compound having dioxane structure and process for producing same |
EP10735859A EP2392569A4 (en) | 2009-01-30 | 2010-01-28 | Alcohol compound having dioxane structure and process for producing same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009019591 | 2009-01-30 | ||
JP2009-019591 | 2009-01-30 |
Publications (1)
Publication Number | Publication Date |
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WO2010087394A1 true WO2010087394A1 (en) | 2010-08-05 |
Family
ID=42395652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/051110 WO2010087394A1 (en) | 2009-01-30 | 2010-01-28 | Alcohol compound having dioxane structure and process for producing same |
Country Status (7)
Country | Link |
---|---|
US (1) | US8324407B2 (en) |
EP (1) | EP2392569A4 (en) |
JP (1) | JPWO2010087394A1 (en) |
KR (1) | KR20110107825A (en) |
CN (1) | CN102300856A (en) |
TW (1) | TW201031647A (en) |
WO (1) | WO2010087394A1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5083377A (en) * | 1973-11-21 | 1975-07-05 | ||
JPS6072884A (en) | 1983-09-30 | 1985-04-24 | Toagosei Chem Ind Co Ltd | Cyclic acrylic acid ester |
JPH0219373A (en) * | 1988-05-24 | 1990-01-23 | Hoechst Celanese Corp | Production of monohydroxy monocyclic acetal and ester thereof |
JPH03122104A (en) * | 1989-09-22 | 1991-05-24 | Natl Starch & Chem Investment Holding Corp | Monomer and polymer which contain acetal and aldehyde group |
PL162441B1 (en) * | 1990-01-03 | 1993-12-31 | Politechnika Wroclawska | Method for manufacturing new, surface-active sodium sulphate derivatives of 2,5-di and 2,2,5-tri substituted 5-hydroxymethyl-1,3-dioxanes |
PL163371B1 (en) * | 1990-08-14 | 1994-03-31 | Politechnika Wroclawska | Method of producing new chemodegradable block copolymer alkyloxiranes |
JP2001031671A (en) * | 1999-07-15 | 2001-02-06 | Kao Corp | Production of ether acetal |
JP2001206882A (en) * | 2000-01-26 | 2001-07-31 | Kuraray Co Ltd | Cyclic acetal derivative |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4808939A (en) | 1988-04-04 | 1989-02-28 | Unisys Corporation | Variable rate rectangular matched filter |
US5258477A (en) | 1989-09-22 | 1993-11-02 | National Starch And Chemical Investment Holding Corporation | Monomers and polymers containing acetal and aldehyde groups |
JP2004292470A (en) * | 2003-03-25 | 2004-10-21 | New Japan Chem Co Ltd | Melt viscosity-reducing agent for polyester resin, polyester resin composition comprising the same, and fiber and molded product obtained from the resin composition |
JP5083377B2 (en) | 2010-06-11 | 2012-11-28 | 株式会社日本自動車部品総合研究所 | Valve timing adjustment device |
-
2010
- 2010-01-28 WO PCT/JP2010/051110 patent/WO2010087394A1/en active Application Filing
- 2010-01-28 EP EP10735859A patent/EP2392569A4/en not_active Withdrawn
- 2010-01-28 JP JP2010548547A patent/JPWO2010087394A1/en active Pending
- 2010-01-28 US US13/146,752 patent/US8324407B2/en not_active Expired - Fee Related
- 2010-01-28 CN CN201080006099.6A patent/CN102300856A/en active Pending
- 2010-01-28 KR KR1020117017857A patent/KR20110107825A/en not_active Application Discontinuation
- 2010-01-29 TW TW099102504A patent/TW201031647A/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5083377A (en) * | 1973-11-21 | 1975-07-05 | ||
JPS6072884A (en) | 1983-09-30 | 1985-04-24 | Toagosei Chem Ind Co Ltd | Cyclic acrylic acid ester |
JPH0219373A (en) * | 1988-05-24 | 1990-01-23 | Hoechst Celanese Corp | Production of monohydroxy monocyclic acetal and ester thereof |
JPH03122104A (en) * | 1989-09-22 | 1991-05-24 | Natl Starch & Chem Investment Holding Corp | Monomer and polymer which contain acetal and aldehyde group |
PL162441B1 (en) * | 1990-01-03 | 1993-12-31 | Politechnika Wroclawska | Method for manufacturing new, surface-active sodium sulphate derivatives of 2,5-di and 2,2,5-tri substituted 5-hydroxymethyl-1,3-dioxanes |
PL163371B1 (en) * | 1990-08-14 | 1994-03-31 | Politechnika Wroclawska | Method of producing new chemodegradable block copolymer alkyloxiranes |
JP2001031671A (en) * | 1999-07-15 | 2001-02-06 | Kao Corp | Production of ether acetal |
JP2001206882A (en) * | 2000-01-26 | 2001-07-31 | Kuraray Co Ltd | Cyclic acetal derivative |
Non-Patent Citations (3)
Title |
---|
HANNIG, EGON ET AL.: "Preparation of some 2- substituted 5-ethyl-5-hydroxymethyl-1,3- dioxanes and their carbamic acid esters", PHARMAZIE, vol. 24, no. 1, 1969, pages 32 - 35, XP009140727 * |
See also references of EP2392569A4 * |
SHOSTAKOVSKII, M. F. ET AL.: "Chemistry of trimethylolethane. II. Vinylation of trimethylolethane and some 2,5-dialkyl(alkyl, aryl)-5-methylol-1,3-dioxanes", IZVESTIYA AKADEMII NAUK SSSR, SERIYA KHIMICHESKAYA, 1966, pages 133 - 137, XP008166641 * |
Also Published As
Publication number | Publication date |
---|---|
KR20110107825A (en) | 2011-10-04 |
EP2392569A1 (en) | 2011-12-07 |
EP2392569A4 (en) | 2012-08-01 |
US20110282076A1 (en) | 2011-11-17 |
JPWO2010087394A1 (en) | 2012-08-02 |
TW201031647A (en) | 2010-09-01 |
CN102300856A (en) | 2011-12-28 |
US8324407B2 (en) | 2012-12-04 |
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